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Electric Circuits

Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z12 = Z21.
 Z11 = Z12.
 Z12 = Z22.
 Z11 = Z22.

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Electric Circuits
In a capacitor the electric charge is stored in

 both of (A) and (B).
 metal plates.
 none of above.
 dielectric.

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Electric Circuits
Among the options which metal has the highest electrical conductivity?

 Copper.
 Aluminium.
 Stranded aluminium.
 Steel.

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Electric Circuits
In which braking back emf exceeds supply voltage?

  None of these.
  Plugging.
  Dynamic.
  Regenerative.

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Electric Circuits
Electric field intensity ( E ) at any point in an electric field is equal to

 potential gradient.
 ( potential gradient )2.
 ( potential gradient )1/3.
 ( potential gradient )1/2.

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Electric Circuits
In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit?

 10A
 20A
 0A
 5A

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